A protest by a small group of pilots has forced Nok Air to cancel nine flights on Sunday causing hundreds of passengers to be stranded at Don Mueang international airport.

Nok Air CEO Pathee Sarasin said that he had not talked with about 4-5 protesting pilots yet about the reason of their protest but he reckoned that it stemmed from their dissatisfaction with the company’s upgrading of the standard of aviation inspection management to be in line with EASA standard.

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